-25.62% is the change from 921 to 685
Calculation steps:
[( 685 - 921 ) ÷ 921] x 100 = -25.62%
Formula
Percentage change = [(685 - 921) / 921] x 100
Subtract the new number by the original number
685 - 921 = -236
-236 ÷ 921 = -0.256243213897937
-0.256243213897937 x 100 = -25.62%